Dev/mou

.github/workflows/helloworld.yml

@@ -0,0 +1,71 @@
+name: helloworld
+
+on: [push]
+
+# Environment variables available to all jobs and steps in this workflow
+env:
+  REGISTRY_NAME: moussa
+  CLUSTER_NAME: mou
+  CLUSTER_RESOURCE_GROUP: myResourceGroup
+  NAMESPACE: default
+  SECRET: mou
+  APP_NAME: helloworld
+  CGO_ENABLED: 0
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@main
+    - uses: actions/setup-go@v2
+      with:
+        go-version: '^1.13.1' # The Go version to download (if necessary) and use.
+    - run: |
+        go test
+        go build -o ${{ env.APP_NAME }}
+
+    # Connect to Azure Container Registry (ACR)
+    - uses: azure/docker-login@v1
+      with:
+        login-server: ${{ env.REGISTRY_NAME }}.azurecr.io
+        username: ${{ secrets.REGISTRY_USERNAME }} 
+        password: ${{ secrets.REGISTRY_PASSWORD }}
+
+    # Container build and push to a Azure Container Registry (ACR)
+    - run: |
+        docker build . -t ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.APP_NAME }}:${{ github.sha }}
+        docker push ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.APP_NAME }}:${{ github.sha }}
+      working-directory: ./
+
+    # Set the target Azure Kubernetes Service (AKS) cluster. 
+    - uses: azure/aks-set-context@v1
+      with:
+        creds: '${{ secrets.AZURE_CREDENTIALS }}'
+        cluster-name: ${{ env.CLUSTER_NAME }}
+        resource-group: ${{ env.CLUSTER_RESOURCE_GROUP }}
+
+    # Create image pull secret for ACR
+    - uses: azure/k8s-create-secret@v1
+      with:
+        container-registry-url: ${{ env.REGISTRY_NAME }}.azurecr.io
+        container-registry-username: ${{ secrets.REGISTRY_USERNAME }}
+        container-registry-password: ${{ secrets.REGISTRY_PASSWORD }}
+        secret-name: ${{ env.SECRET }}
+        namespace: ${{ env.NAMESPACE }}
+        arguments: --force true
+
+    - run: |
+        sed -i -e "s|_IMAGE_|${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.APP_NAME }}:${{ github.sha }}|g" ${{ github.workspace }}/manifests/deployment.yaml
+
+    # Deploy app to AKS
+    - uses: azure/k8s-deploy@v1
+      with:
+        manifests: |
+          ${{ github.workspace }}/manifests/deployment.yaml
+          ${{ github.workspace }}/manifests/hpa.yaml
+          ${{ github.workspace }}/manifests/service.yaml
+        images: ${{ env.REGISTRY_NAME }}.azurecr.io/${{ env.APP_NAME }}:${{ github.sha }}
+        imagepullsecrets: |
+          ${{ env.SECRET }}
+        namespace: ${{ env.NAMESPACE }}
+

Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY helloworld /helloworld
+ENTRYPOINT ["/helloworld"]

Makefile

@@ -0,0 +1,24 @@
+NAME            = helloworld
+REPO            = helloworld
+REGISTRY        = moussa.azurecr.io
+TAG             = latest
+
+all: 
+
+build-binary:
+	CGO_ENABLED=0 go build -o $(NAME)
+
+test:
+	go test
+
+run:
+	go run main.go
+
+build: build-binary
+	docker build -t $(REGISTRY)/$(REPO):$(TAG) .
+
+run-image:
+	docker run --name $(NAME) --rm $(REGISTRY)/$(REPO):$(TAG)
+
+push:
+	docker push $(REGISTRY)/$(REPO):$(TAG)

go.mod

@@ -0,0 +1,22 @@
+module helloworld
+
+go 1.17
+
+require github.com/gin-gonic/gin v1.7.7
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.13.0 // indirect
+	github.com/go-playground/universal-translator v0.17.0 // indirect
+	github.com/go-playground/validator/v10 v10.4.1 // indirect
+	github.com/golang/protobuf v1.3.3 // indirect
+	github.com/json-iterator/go v1.1.9 // indirect
+	github.com/leodido/go-urn v1.2.0 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742 // indirect
+	github.com/ugorji/go/codec v1.1.7 // indirect
+	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
+	golang.org/x/sys v0.0.0-20200116001909-b77594299b42 // indirect
+	gopkg.in/yaml.v2 v2.2.8 // indirect
+)

go.sum

@@ -0,0 +1,49 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
+github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
+github.com/gin-gonic/gin v1.7.7 h1:3DoBmSbJbZAWqXJC3SLjAPfutPJJRN1U5pALB7EeTTs=
+github.com/gin-gonic/gin v1.7.7/go.mod h1:axIBovoeJpVj8S3BwE0uPMTeReE4+AfFtqpqaZ1qq1U=
+github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q=
+github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8=
+github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
+github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
+github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
+github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
+github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
+github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
+github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y=
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+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
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+github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
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+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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main.go

@@ -1,11 +1,20 @@
 package main
 
-import "fmt"
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
 
 func helloworld() string {
 	return "Hello World!!"
 }
 
 func main() {
-	fmt.Println(helloworld())
+	r := gin.Default()
+
+	r.GET("/", func(c *gin.Context) {
+		c.String(http.StatusOK, helloworld())
+	})
+
+	r.Run()
 }

manifests/deployment.yaml

@@ -0,0 +1,31 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: helloworld
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: helloworld
+  template:
+    metadata:
+      labels:
+        app: helloworld
+    spec:
+      nodeSelector:
+        "kubernetes.io/os": linux
+      containers:
+      - name: helloworld
+        image: _IMAGE_
+        resources:
+          requests:
+            cpu: 100m
+            memory: 128Mi
+          limits:
+            cpu: 250m
+            memory: 256Mi
+        ports:
+        - containerPort: 80
+        env:
+        - name: PORT
+          value: "80"

manifests/hpa.yaml

@@ -0,0 +1,12 @@
+apiVersion: autoscaling/v1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: helloworld
+spec:
+  maxReplicas: 10 # define max replica count
+  minReplicas: 2  # define min replica count
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: helloworld
+  targetCPUUtilizationPercentage: 50 # target CPU utilization

manifests/service.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: helloworld
+spec:
+  type: LoadBalancer
+  ports:
+  - port: 80
+  selector:
+    app: helloworld